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#include <stdarg.h>
#include <string.h>
#include "memory.h"
#include "dupstr.h"
char *dupcat(const char *str, ...)
{
va_list ap;
const char *p;
char *out, *outp;
size_t len;
len = 1;
va_start(ap, str);
for (p = str; p; p = va_arg(ap, const char *))
len += strlen(p);
va_end(ap);
out = snewn(len, char);
outp = out;
va_start(ap, str);
for (p = str; p; p = va_arg(ap, const char *)) {
strcpy(outp, p);
outp += strlen(p);
}
va_end(ap);
return out;
}
char *dupstr(const char *str)
{
return dupcat(str, (const char *)NULL);
}
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