pipe.c\unistd\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <unistd.h>
#include "syscall.h"
int pipe(int fd[2])
{
#ifdef SYS_pipe
	return syscall(SYS_pipe, fd);
#else
	return syscall(SYS_pipe2, fd, 0);
#endif
}