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/* Public domain. */
#include "stralloc.h"
#include "byte.h"
int stralloc_catb(stralloc *sa,const char *s,unsigned int n)
{
if (!sa->s) return stralloc_copyb(sa,s,n);
if (!stralloc_readyplus(sa,n + 1)) return 0;
byte_copy(sa->s + sa->len,n,s);
sa->len += n;
sa->s[sa->len] = 'Z'; /* ``offensive programming'' */
return 1;
}