Creating Isosceles Triangle in C

Creating Isosceles Triangle

#include
#define Mx 20
#define My 20
void draw(int base,int height);

int main()
{
 //   draw(5,4);
//    draw(5,4);
//    draw(15,6);
    int a=2,h=0;
    char c;
    while(a%2==0){
        printf("Enter the base:");
        scanf("%d",&a);
        if (a%2==0)
            printf("only odd length is allowed\n");
        getchar();
    }
    while (h==a || h<2){
       printf("Enter the height :");
       scanf("%d",&h);
       if (h==a)
           printf("\nthe height you entered makes an Equilateral triangle.\n");
       if (h<2)
           printf("\nheight must be greater than 1.\n");
       getchar();
    }
    
    draw(a,h);
    getchar();
}
void draw(int base,int height){
     if(base%2==0) {
            printf("The length of the base its not an odd number \n");
            return ;
     }
     int i=0,j;
     int a=i;
     int b=base,t;
//     (base>height)?t=base:t=height;
int howmanystars=(base)/(height-1);
float stars=height-1;
stars=(float)(base)/stars-0.5;
if (howmanystars<=stars)
    howmanystars++;
int h=1;
for (i=0;i<=height;i++){
        if (i==height-1)
        h=base;
    for (int k=0;k<=(base-h+1)/2;k++)
        printf(" ");

    for (j=0;j<=h;j++)
        printf("*");
    h=h+howmanystars;

    printf("\n");
}
                   
}

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