Character count

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

int main(){
    int n,i,j,c=0,count=0;
    char str[100]; 
    printf("Enter the string: ");
    scanf("%s", str); 

    printf("Enter the number of frames:");
    scanf("%d",&n);
    int frames[n];

    printf("Enter the frame size of the frames:\n");
    for(int i=0;i<n;i++){
        printf("Frame %d:",i);
        scanf("%d",&frames[i]);
    }

    printf("\nThe number of frames:%d\n",n);
    c = 0;
    for(int i=0;i<n;i++){
        printf("The content of the frame %d:",i);
        j=0;
        count = 0; 
        while(c < strlen(str) && j < frames[i]){
            printf("%c",str[c]);
            if(str[c]!='\0'){
                count++;
            }
            c=c+1;
            j=j+1;
        }
        printf("\nSize of frame %d: %d\n\n",i,count);
    }
    return 0;
}