.TH GETPW 3 .SH NAME getpw \- get name from UID .SH SYNOPSIS .B getpw(uid, buf) .br .B char *buf; .SH DESCRIPTION .I Getpw searches the password file for the (numerical) .IR uid ", and fills in " "buf" with the corresponding line; it returns non-zero if .IR uid "" could not be found. The line is null-terminated. .SH FILES /etc/passwd .SH "SEE ALSO" getpwent(3), passwd(5) .SH DIAGNOSTICS Non-zero return on error.