| #include <sys/types.h> | |
| #include <sys/wait.h> | |
| #include <sys/time.h> | |
| #include <sys/resource.h> | |
| pid_t wait3(int *statloc, int options, struct rusage *rusage); | |
| pid_t wait4(pid_t pid, int *statloc, int options, struct rusage *rusage); | |
| /* Both return: process ID if OK, 0, or −1 on error */ |
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