What are preprocessor directives in c?

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if we take a number as a char then can we manipulate(add, subtract) on this number

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Can stdout be forced to print somewhere other than the screen?

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What are identifiers and keywords in c?

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extern static int i func() { i =10; i++; printf("%d \n",i); } main() { i =20; printf("%d \n",i); func(); printf("%d \n",i); }

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int j =15,i; for (i=1; 1<5; ++i) {printf ("%d%d ",j,i); j = j-3; }

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What is the difference between array and structure in c?

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How can you dynamically allocate memory in C?

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Should I use symbolic names like true and false for boolean constants, or plain 1 and 0?

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How is = symbol different from == symbol in c programming?

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#ifdef TRUE int I=0; #endif main() { int j=0; printf("%d %d\n",i,j); }

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Is malloc memset faster than calloc?

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