stralloc_append - append a character to a stralloc

       stralloc_append appends the byte from *buf to the string stored in sa, allocating space if necessary, and
       returns 1.

       If it runs out of memory, stralloc_append leaves sa alone and returns 0.

       stralloc_append - append a character to a stralloc

       1 for success, 0 on memory allocation failure.

stralloc_copyb(3)

                                                                                              stralloc_append(3)

#include<libowfat/stralloc.h>

       int stralloc_append(stralloc* sa,const char* in);