srt.h

/*
 *
 *  srt.h file
 *
 */

#ifndef SRT_H
#define SRT_H

#include <string.h>

#define MAX_BUF 256

#define swap(qx,qy,sz)                                              
do {
char buf[MAX_BUF];
char *q1 = qx;
char *q2 = qy;
for (size_t m, ms = sz; ms > 0; ms -= m, q1 += m, q2 += m) {
m = ms < sizeof(buf) ? ms : sizeof(buf);
memcpy(buf, q1, m);
memcpy(q1, q2, m);
memcpy(q2, buf, m);
}
} while (0)

void srtbubb(void *, size_t, size_t, int (*)(const void *, const void *));
void srtheap(void *, size_t, size_t, int (*)(const void *, const void *));
void srtinsr(void *, size_t, size_t, int (*)(const void *, const void *));
void srtmerg(void *, size_t, size_t, int (*)(const void *, const void *));

#endif /* SRT_H */