Compaq C
Run-Time Library Reference Manual for OpenVMS Systems

Y
y0 function
y1 function
yn function
_
__STDC_VERSION__ macro
_ANSI_C_SOURCE macro
_BSD44_CURSES macro
_DECC_V4_SOURCE macro
_exit function #1
_exit function #2
_POSIX_C_SOURCE macro
_SOCKADDR_LEN macro
_tolower function
_tolower macro
_toupper function
_toupper macro
_VMS_CURSES macro
_VMS_V6_SOURCE macro
_XOPEN_SOURCE macro
_XOPEN_SOURCE_EXTENDED macro