Clamping keeps an incoming value inside the range that later code expects.

Range Clamp

range_clamp.c
#include <stdio.h>

int clampScore(int requested) {
    int clamped = requested;
    if (clamped < 0) {
        clamped = 0;
    }
    if (clamped > 100) {
        clamped = 100;
    }
    return clamped;
}

int main(void) {
    int requested = ;
    int score = clampScore(requested);
    int passing = score >= 60;

    printf("requested=%d score=%d passing=%d\n", requested, score, passing);
    return 0;
}
#include <stdio.h>

int clampScore(int requested) {
    int clamped = requested;
    if (clamped < 0) {
        clamped = 0;
    }
    if (clamped > 100) {
        clamped = 100;
    }
    return clamped;
}

int main(void) {
    int requested = ;
    int score = clampScore(requested);
    int passing = score >= 60;

    printf("requested=%d score=%d passing=%d\n", requested, score, passing);
    return 0;
}
#include <stdio.h>

int clampScore(int requested) {
    int clamped = requested;
    if (clamped < 0) {
        clamped = 0;
    }
    if (clamped > 100) {
        clamped = 100;
    }
    return clamped;
}

int main(void) {
    int requested = ;
    int score = clampScore(requested);
    int passing = score >= 60;

    printf("requested=%d score=%d passing=%d\n", requested, score, passing);
    return 0;
}
lower bound Values below the allowed range are raised to the minimum.
upper bound Values above the allowed range are lowered to the maximum.