github.com/afumu/libc@v0.0.6/musl/src/process/waitpid.c (about)

     1  #include <sys/wait.h>
     2  #include "syscall.h"
     3  
     4  pid_t waitpid(pid_t pid, int *status, int options)
     5  {
     6  	return syscall_cp(SYS_wait4, pid, status, options, 0);
     7  }