NAME wait3, wait4 - wait for process to change state, BSD style LIBRARY Standard C library ... libc , -lc ) SYNOPSIS #include <sys/wait.h> pid_t wait3(int *_Nullable wstatus , int …NAME wait3, wait4 - wait for process to change state, BSD style LIBRARY Standard C library ... libc , -lc ) SYNOPSIS #include <sys/wait.h> pid_t wait3(int *_Nullable wstatus , int …