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- #include <syscall.h>
- #include <sys/types.h>
- #include <sys/wait.h>
- #include <sys/resource.h>
- /* Wait for a child to exit. When one does, put its status in *STAT_LOC and
- * return its process ID. For errors return (pid_t) -1. If USAGE is not nil,
- * store information about the child's resource usage (as a `struct rusage')
- * there. If the WUNTRACED bit is set in OPTIONS, return status for stopped
- * children; otherwise don't. */
- pid_t wait3 (__WAIT_STATUS stat_loc, int options, struct rusage * usage)
- {
- return wait4 (WAIT_ANY, stat_loc, options, usage);
- }
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