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‎PeachOS.c‎

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‎PeachOS64Bit/programs/blank/blank.c‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*
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* For full source code, documentation, and structured learning,
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* see the official kernel development course part one:
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* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
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* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
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* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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*/
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#include "peachos.h"
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#include "stdlib.h"
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#include "stdio.h"

‎PeachOS64Bit/programs/blank/linker.ld‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*
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* For full source code, documentation, and structured learning,
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* see the official kernel development course part one:
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* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
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* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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*/
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ENTRY(_start)
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OUTPUT_FORMAT(elf64-x86-64)
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SECTIONS

‎PeachOS64Bit/programs/shell/linker.ld‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*
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* For full source code, documentation, and structured learning,
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* see the official kernel development course part one:
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* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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*/
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ENTRY(_start)
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OUTPUT_FORMAT(elf64-x86-64)
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SECTIONS

‎PeachOS64Bit/programs/shell/src/shell.c‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*
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* For full source code, documentation, and structured learning,
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* see the official kernel development course part one:
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* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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*/
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#include "shell.h"
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#include "stdio.h"
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#include "stdlib.h"

‎PeachOS64Bit/programs/shell/src/shell.h‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
9+
* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
13+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
18+
*
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* For full source code, documentation, and structured learning,
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* see the official kernel development course part one:
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* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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*/
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#ifndef SHELL_H
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#define SHELL_H
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‎PeachOS64Bit/programs/simple/src/simple.asm‎

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; PeachOS 64-Bit Kernel Project
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; Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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;
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; This file is part of the PeachOS 64-Bit Kernel.
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;
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; This program is free software; you can redistribute it and/or
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; modify it under the terms of the GNU General Public License
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; version 2 as published by the Free Software Foundation.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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; See the GNU General Public License version 2 for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, see <https://www.gnu.org/licenses/>.
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;
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; For full source code, documentation, and structured learning,
19+
; see the official kernel development course part one:
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; https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
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;
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; Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
23+
;
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; Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
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;
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[BITS 64]
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jmp $

‎PeachOS64Bit/programs/stdlib/src/file.c‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
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* This file is part of the PeachOS 64-Bit Kernel.
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*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* version 2 as published by the Free Software Foundation.
10+
*
11+
* This program is distributed in the hope that it will be useful,
12+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14+
* See the GNU General Public License version 2 for more details.
15+
*
16+
* You should have received a copy of the GNU General Public License
17+
* along with this program; if not, see <https://www.gnu.org/licenses/>.
18+
*
19+
* For full source code, documentation, and structured learning,
20+
* see the official kernel development course part one:
21+
* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
26+
*/
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#include "file.h"
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#include "peachos.h"
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#include <stdint.h>

‎PeachOS64Bit/programs/stdlib/src/file.h‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
4+
*
5+
* This file is part of the PeachOS 64-Bit Kernel.
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*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* version 2 as published by the Free Software Foundation.
10+
*
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* This program is distributed in the hope that it will be useful,
12+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14+
* See the GNU General Public License version 2 for more details.
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*
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* You should have received a copy of the GNU General Public License
17+
* along with this program; if not, see <https://www.gnu.org/licenses/>.
18+
*
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* For full source code, documentation, and structured learning,
20+
* see the official kernel development course part one:
21+
* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
26+
*/
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#ifndef USERLAND_FILE_H
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#define USERLAND_FILE_H
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‎PeachOS64Bit/programs/stdlib/src/memory.c‎

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/*
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* PeachOS 64-Bit Kernel Project
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* Copyright (C) 2026 Daniel McCarthy <daniel@dragonzap.com>
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*
5+
* This file is part of the PeachOS 64-Bit Kernel.
6+
*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* version 2 as published by the Free Software Foundation.
10+
*
11+
* This program is distributed in the hope that it will be useful,
12+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14+
* See the GNU General Public License version 2 for more details.
15+
*
16+
* You should have received a copy of the GNU General Public License
17+
* along with this program; if not, see <https://www.gnu.org/licenses/>.
18+
*
19+
* For full source code, documentation, and structured learning,
20+
* see the official kernel development course part one:
21+
* https://dragonzap.com/course/developing-a-multithreaded-kernel-from-scratch
22+
23+
* Get part one and part two module one, module two all peachos courses (69 hours of content): https://dragonzap.com/offer/kernel-development-from-scratch-69-hours
24+
25+
* Get the part two, module one and two modules: https://dragonzap.com/offer/developing-a-multithreaded-kernel-from-scratch-part-two-full-series
26+
*/
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#include "memory.h"
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void* memset(void* ptr, int c, size_t size)

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