All symbols starting with 'w' in sys

• WCOREDUMP sys/wait.h:65
• W_EXITCODE sys/wait.h:67
• WEXITSTATUS sys/wait.h:63
• WIFEXITED sys/wait.h:62
• WIFSIGNALED sys/wait.h:60
• WIFSTOPPED sys/wait.h:58
• winsize sys/ioctl.h:44
• _W_INT sys/wait.h:50
• _WSTATUS sys/wait.h:56
• W_STOPCODE sys/wait.h:68
• WSTOPSIG sys/wait.h:59
• WTERMSIG sys/wait.h:61