C > Sorting Searching

Qsort [string array]

Qsort [string array]

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void sortstrarr(void *array, unsigned n);
static int cmpr(const void *a, const void *b);

int main(void) { 
 char line[1024];
 char *line_array[1024];
 int i = 0;
 int j = 0;

 while((fgets(line, 1024, stdin)) != NULL)
  if(i < 1024)
   line_array[i++] = strdup(line);
  else
   break;

 sortstrarr(line_array, i);

 while(j < i)
  printf("%s", line_array[j++]);

 return 0;
}

static int cmpr(const void *a, const void *b) { 
 return strcmp(*(char **)a, *(char **)b);
}

void sortstrarr(void *array, unsigned n) { 
 qsort(array, n, sizeof(char *), cmpr);
}