Initialize array in c with 0

static char ZEROARRAY[1024]; // if declaration is in global scope or is static it will alredy be initialized to Zeroes
// OR
char ZEROARRAY[1024] = {0}; // Compiler fills unwritten entries with zeroes
// OR
memset(ZEROARRAY, 0, 1024); // Alternatively you could use memset to initialize the array at program startup:

Source: stackoverflow.com

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