_Fork(3) Library Functions Manual _Fork(3)

_Fork - create a child process

Standard C library (libc-lc)

#include <unistd.h>
pid_t _Fork(void);

This function is equivalent to fork(2), except that fork handlers registered with pthread_atfork(3) are not called.

POSIX.1-2024.

POSIX.1-2024.

fork(2), vfork(2)

2025-10-29 Linux man-pages 6.16