relibc/include/bits/sys/wait.h

#ifndef _BITS_SYS_WAIT_H
#define _BITS_SYS_WAIT_H

#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
#define WTERMSIG(s) ((s) & 0x7f)
#define WSTOPSIG(s) WEXITSTATUS(s)
#define WCOREDUMP(s) ((s) & 0x80)
#define WIFEXITED(s) (!WTERMSIG(s))
#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
#define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
#define WIFCONTINUED(s) ((s) == 0xffff)

#endif /* _BITS_SYS_WAIT_H */