00001: #include <stdio.h>
00002: // prototypes
00003: void square(int *numb);
00004: int main()
00005: {
00006: int val = 3;
00007:
00008: square(&val);
00009:
00010: printf("val = %d\n", val); // prints 4, since val was changed in square
00011:
00012: return 0;
00013: }
00014:
00015: void square(int *numb)
00016: {
00017: int sq;
00018:
00019: (*numb)++; // '*numb' (same as 'val' in main) MODIFIED HERE to 4
00020: sq = (*numb) * (*numb);
00021: printf("sq = %d\n", sq); // prints 16
00022: }
00023:
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