Exemplo

#include <stdio.h>

// Author: Sam Sampaio

int func(int *pointer, size_t tam) {

     int i, count = 1, size = 0;

     for(i=0; i < tam-1; i++) {
         if(pointer[i] < pointer[i+1]) {

             count++;

             if(size < count)
                 size = count;
         } else

            count = 1;
     }
        return size;

}

int main(void){

       int array[16] = {1,2,3,4,5,1,1,1,2,3,4,16,17,18,18,20};

       printf("%d\n", func(array,16));

       return 0;
}