#include <stdio.h>
int main()
{
int n, c;
printf("Enter a number\n");
scanf("%d", &n);
if (n == 2)
printf("Prime number.\n");
else
{
for (c = 2; c <= n - 1; c++)
{
if (n % c == 0)
break;
}
if (c != n)
printf("Not prime.\n");
else
printf("Prime number.\n");
}
return 0;
}
int main()
{
int n, c;
printf("Enter a number\n");
scanf("%d", &n);
if (n == 2)
printf("Prime number.\n");
else
{
for (c = 2; c <= n - 1; c++)
{
if (n % c == 0)
break;
}
if (c != n)
printf("Not prime.\n");
else
printf("Prime number.\n");
}
return 0;
}
Example 6 - command line arguments
#include <stdio.h>
int main(int argc, char *argv[])
{
int c;
{
int c;
printf("Number of command line arguments passed: %d\n", argc);
for (c = 0; c < argc; c++)
printf("%d argument is %s\n", c + 1, argv[c]);
printf("%d argument is %s\n", c + 1, argv[c]);
return 0;
}
}
This program prints the number of arguments and their contents.
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