Program for Qserch, string and dynamic pointer array in C

Write a program for Qserch, string and dynamic pointer array in C

#include "stdio.h"

#include "stdlib.h"

#include "string.h"

void sortstrarr(void *array, unsigned n);

static int cmpr(const void *a, const void *b);

int main (void)

{

            char **strarray = NULL;

            int i = 0, strcount = 0;

            char line[1024];

            while((fgets(line, 1024, stdin)) != NULL)

            {

                        if(strlen(line) == 1)

                                    continue;

            strarray = (char **)realloc(strarray, (strcount + 1) * sizeof(char *));

            strarray[strcount++] = strdup(line);

            }

            printf("### Before ###\n");

            for(i = 0; i < strcount; i++)

                        printf("%2d: %s", i, strarray[i]);

           

            sortstrarr(strarray, strcount);

            printf("### After ###\n");

            for(i = 0; i < strcount; i++)

                        printf("%2d: %s", i, strarray[i]);

            /* free mem... */

            for(i = 0; i < strcount; i++)

                        free(strarray[i]);

            free(strarray);

            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);

}