What is c language & why it is used?

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How can I implement opaque (abstract) data types in C? What's the difference between these two declarations? struct x1 { ... }; typedef struct { ... } x2;

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Why c is known as a mother language?

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main() {int i=5; // line 1 i=(++i)/(i++); // line 2 printf("%d",i); // line 3 } output is 2 but if we replace line 2 and line 3 by printf("%d",i=(++i)/(i++)); then output is 1. Why?

1 Answers   GATE,

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What is an operator?

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What's the total generic pointer type?

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What is void main ()?

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Explain the difference between exit() and _exit() function?

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Where define directive used?

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Why malloc is faster than calloc?

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What is the purpose of realloc()?

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How does sizeof know array size?

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