Library /sys$common/syshlp/HELPLIB.HLB — CRTL getpwuid Function Variants
The getpwuid and getpwuid_r functions have variants named __32_
getpwuid, _getpwuid_r32 and __64_getpwuid, _getpwuid_r64 for use
with 32-bit and 64-bit pointer sizes, respectively.