BSD signal API NAME sigvec, sigblock, sigsetmask, siggetmask, sigmask - BSD signal API LIBRARY Standard C library ( libc , -lc...BSD signal API NAME sigvec, sigblock, sigsetmask, siggetmask, sigmask - BSD signal API LIBRARY Standard C library ( libc , -lc...BSD signal API NAME sigvec, sigblock, sigsetmask, siggetmask, sigmask - BSD signal API LIBRARY Standard C library ( libc , -lc...BSD signal API NAME sigvec, sigblock, sigsetmask, siggetmask, sigmask - BSD signal API LIBRARY Standard C library ( libc , -lc...BSD signal API NAME sigvec, sigblock, sigsetmask, siggetmask, sigmask - BSD signal API LIBRARY Standard C library ( libc , -lc......(instead of an int ). SEE ALSO kill (2), sigaction (2), sigprocmask (2), sigsuspend (2), sigblock (3), sigvec (3), feature_test_macros (7)