[Solved] Identify the error in this C code snippet:void func() { printf("%d", x); int x = 10; } — Ans: Variable x used before declaration | C

C - Variables and Data Types

Identify the error in this C code snippet:

void func() {
    printf("%d", x);
    int x = 10;
}

AMissing semicolon after printf

BVariable x used before declaration

CFunction func missing return type

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Check variable usage order
Variable x is used in printf before it is declared, which is not allowed in C.
Step 2: Confirm syntax correctness
Semicolon is present, function return type is void, so no other errors.
Final Answer:
Variable x used before declaration -> Option B
Quick Check:
Use before declaration causes error [OK]

Quick Trick: Declare variables before using them [OK]

Common Mistakes:

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