Symbol: WNOHANG
usr/src/cmd/csh/wait.h
91
#define WNOHANG 1 /* dont hang in wait */
usr/src/ucbhead/sys/wait.h
115
#define WNOHANG 0100 /* non blocking form of wait */
usr/src/uts/common/sys/wait.h
54
#define WNOHANG 0100 /* non blocking form of wait */