cuserid(3S)                                                     cuserid(3S)

NAME
     cuserid - generate string for user's name

SYNOPSIS
     #include <stdio.h>

     char *cuserid(char *s);

DESCRIPTION
     cuserid() generates a character-string representation of the name
     associated with the effective user ID of the current process. If s is
     a null pointer, this representation is generated in an internal static
     area, the address of which is returned. Otherwise, s is assumed to
     point to an array of at least Lcuserid characters; the representation
     is left in this array. The constant Lcuserid is defined in the
     stdio.h header file.

RESULT
     If the login name cannot be found, cuserid() returns a NULL pointer;
     if s is not a NULL pointer, a null character \0 will be placed at
     s[0]. If s is a NULL pointer and the login name can be found, the
     address of a (static) buffer containing the login name is returned.

SEE ALSO
     getlogin(3C), getpwent(3C).






























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