Declarations for the string core, stdio, stdlib, unistd, errno, sys/types, and the raw syscall interface; the FILE layout stays private in src/internal.h. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <[email protected]>
39 lines
825 B
C
39 lines
825 B
C
/*
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* unistd.h — POSIX system call wrappers for nulsl-libc.
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*
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* These are thin, real wrappers around the raw syscall() interface — see
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* docs/syscalls.md. The kernel is the API; everything else is sugar.
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*/
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#ifndef _NULSL_UNISTD_H
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#define _NULSL_UNISTD_H
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/* Real syscall wrappers. */
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ssize_t read(int fd, void *buf, size_t count);
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ssize_t write(int fd, const void *buf, size_t count);
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int close(int fd);
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pid_t getpid(void);
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void _exit(int status) __attribute__((noreturn));
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/* Stub. */
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int unlink(const char *path);
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/* Raw syscall entry point (also available here for convenience). */
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long syscall(long number, ...);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NULSL_UNISTD_H */
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