| 
  |#include <pwd.h>
  |#include <sys/types.h>
  | 
  |struct passwd *getpwnam(const char * name);
  | 
  |struct passwd *getpwuid(uid_t uid);

Description

The getpwnam function returns a pointer to a structure containing the broken out fields of a line from /etc/passwd for the entry that matches the user name name.