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#include <stdio.h>
#include <unistd.h>
int ft_sum(int j, int k);
int ft_mod(int j, int k);
int ft_mult(int j, int k);
int ft_div(int j, int k);
int ft_sub(int j, int k);
int ft_convert_to_real_numbers(char *str1);
int verif_numbers_are_present(char *s1);
int calc(int j, char op, int k)
{
int(*do_op[5])(int, int);
char recherche_op[5];
int i;
i = 0;
do_op[0] = &ft_sum;
do_op[1] = &ft_sub;
do_op[2] = &ft_mult;
do_op[3] = &ft_div;
do_op[4] = &ft_mod;
recherche_op[0] = '+';
recherche_op[1] = '-';
recherche_op[2] = '*';
recherche_op[3] = '/';
recherche_op[4] = '%';
while (i < 5)
{
if (op == recherche_op[i])
{
return (do_op[i](j, k));
}
i++;
}
}
int ft_div(int j, int k)
{
int d;
d = j / k;
return(d);
}
int ft_mod(int j, int k)
{
int m;
m = j % k;
return(m);
}
int ft_mult(int j, int k)
{
int m;
m = j * k;
return(m);
}
int ft_sum(int j, int k)
{
int s;
s = j + k;
return(s);
}
int ft_sub(int j, int k)
{
int s;
s = j - k;
return (s);
}
int ft_convert_to_real_numbers(char *str1)
{
int size;
int i;
int j;
size = 1;
j = 0;
i = 0;
while(str1[i] != '\0')
{
i++;
size *= 10;
}
i = 0;
while(str1[i] != '\0')
{
size /= 10;
j = j + ((str1[i] - 48) * size);
i++;
}
return(j);
}
int verif_numbers_are_present(char *s1)
{
int i;
int x;
int converted;
char vc1[x];
converted = 0;
i = 0;
x = 0;
while(s1[i] != '\0')
{
while((s1[i] >= 48) && (s1[i] <= 57))
{
vc1[x] = s1[i];
x++;
i++;
}
i++;
}
return(ft_convert_to_real_numbers(vc1));
}
int main(int argc, char **argv)
{
char op;
int j;
int k;
int result;
j = 0;
k = 0;
if (argc != 4)
{
return (0);
}
op = argv[2][0];
j = verif_numbers_are_present(argv[1]);
k = verif_numbers_are_present(argv[3]);
result = calc(j, op, k);
if(result != 0)
{
printf("%d", result);
}
return(0);
} |
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