strchange - replace beginning of string with beginning of another string

       Lars Wirzenius (lars.wirzenius@helsinki.fi)

Publib                                        C Programmer's Manual                              STRCHANGE(3pub)

strchange  will  replace  changelen  characters from the beginning of str with newlen characters from the
       beginning of new.  The rest of str will moved appropriately.

       strchange - replace beginning of string with beginning of another string

strchange will return its first argument.

publib(3), strcpy(3)

       #include <publib.h>
       char *strchange(char *str, size_t changelen,
                         const char *new, size_t newlen);