55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#ifndef _UNISTD_H
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#define _UNISTD_H
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#include <bits/macros.h>
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#include <bits/seek.h>
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#include <sys/types.h>
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#define STDOUT_FILENO 0
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#define STDERR_FILENO 1
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Executes the program program. On success, does not return. The second parameter (arguments) is not implemented
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* for now. You can pass NULL to it. */
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int execv(const char* program, char* const[]);
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/* Not implemented. */
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int execve(const char*, char* const[], char* const[]);
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/* Not implemented. */
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int execvp(const char*, char* const[]);
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/* Not implemented. */
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pid_t fork(void);
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/* Terminates the program with the status code status. */
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__lc_noreturn void _exit(int status);
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/* Calls the kernel for a specific service, determined by number. */
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long syscall(long number, ...);
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/* Suspends execution for a chosen amount of seconds. */
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unsigned int sleep(unsigned int seconds);
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/* Reads count bytes from the file descriptor fd into the memory at buf. */
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ssize_t read(int fd, void* buf, size_t count);
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/* Writes count bytes of the memory at buf to the file descriptor fd. */
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ssize_t write(int fd, const void* buf, size_t count);
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/* Closes the file descriptor fd. */
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int close(int fd);
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/* Moves the read/write file offset for fd to offset, depending on whence. */
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off_t lseek(int fd, off_t offset, int whence);
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/* Returns a copy of the file descriptor fd. */
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int dup(int fd);
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#ifdef __cplusplus
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}
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#endif
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#endif |