?? mactest1.c
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/* mactest1.c - An example of a C macro function */#include <stdio.h>#define SUM(a, b, result) \ ((result) = (a) + (b))int main(){ int data1 = 5, data2 = 10; int result; float fdata1 = 5.0, fdata2 = 10.0; float fresult; SUM(data1, data2, result); printf("The result is %d\n", result); SUM(1, 1, result); printf("The result is %d\n", result); SUM(fdata1, fdata2, fresult); printf("The floating result is %f\n", fresult); SUM(fdata1, fdata2, result); printf("The mixed result is %d\n", result); return 0;}
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