SIGSTACK(2) FreeBSD System Calls Manual SIGSTACK(2) NAME sigstack - set and/or get signal stack context LIBRARY Standard C Library (libc, -lc) DESCRIPTION The sigstack() function has been deprecated in favor of the interface described in sigaltstack(2). SEE ALSO sigaltstack(2) HISTORY The sigstack() system call appeared in 4.2BSD. FreeBSD 13.1-RELEASE-p6 June 4, 1993 FreeBSD 13.1-RELEASE-p6