strcins - insert a character at the beginning of a string

       Lars Wirzenius (lars.wirzenius@helsinki.fi)

Publib                                        C Programmer's Manual                                STRCINS(3pub)

strcins  inserts  the  character  c  at  the beginning of the string str.  The target string must contain
       enough memory to hold the result.

       strcins - insert a character at the beginning of a string

publib(3), strdel(3), strins(3)

       #include <publib.h>
       void strins(char *str, int c);