Defines starting with `w' in bsd/sys

• WAIT_ANY bsd/sys/wait.h:111
• WAIT_MYPGRP bsd/sys/wait.h:112
• WANTPARENT bsd/sys/namei.h:132
• w_coredump bsd/sys/wait.h:160
• WCOREFLAG bsd/sys/wait.h:74
• WMESGLEN bsd/sys/sysctl.h:414
• WNOHANG bsd/sys/wait.h:102
• W_OK bsd/sys/unistd.h:90
• w_retcode bsd/sys/wait.h:161
• WRITECLOSE bsd/sys/vnode.h:250
• _WSTOPPED bsd/sys/wait.h:79
• w_stopsig bsd/sys/wait.h:163
• w_stopval bsd/sys/wait.h:162
• w_termsig bsd/sys/wait.h:159
• WUNTRACED bsd/sys/wait.h:103