Programming Fundamentals/Loops/C
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loops.c
[edit | edit source]// This program demonstrates While, Do, and For loop counting using
// user-designated start, stop, and increment values.
//
// References
// https://en.wikibooks.org/wiki/C_Programming
#include "stdio.h"
int get_value(char *name);
void while_loop(int start, int stop, int increment);
void do_loop(int start, int stop, int increment);
void for_loop(int start, int stop, int increment);
int main() {
int start;
int stop;
int increment;
start = get_value("starting");
stop = get_value("ending");
increment = get_value("increment");
while_loop(start, stop, increment);
do_loop(start, stop, increment);
for_loop(start, stop, increment);
return 0;
}
int get_value(char *name)
{
int value;
printf("Enter %s value:", name);
scanf(" %d", &value);
return value;
}
void while_loop(int start, int stop, int increment) {
printf("While loop counting from %d to %d by %d:\n",
start, stop, increment);
int count;
count = start;
while (count <= stop) {
printf("%d\n", count);
count = count + increment;
}
}
void do_loop(int start, int stop, int increment) {
printf("Do loop counting from %d to %d by %d:\n",
start, stop, increment);
int count;
count = start;
do {
printf("%d\n", count);
count = count + increment;
} while (count <= stop);
}
void for_loop(int start, int stop, int increment) {
printf("For loop counting from %d to %d by %d:\n",
start, stop, increment);
int count;
for (count = start; count <= stop; count += increment) {
printf("%d\n", count);
}
}
Try It
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