Recent questions tagged programming-in-c

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My question is that can we use command line arguments without use of main function's parameters argc and *argv?
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I have a question that can we use command line arguments without main function arguments?int main(int argc, char argv){}
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#include <stdio.h int main() { int i = -1; int x = (unsigned char)i; printf("%d", x); return 0; }output is 255 , but please explain how
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In what cases does an uninitialized array have values = 0 and for which cases does it have values = garbage values. How to differentiate?
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20
Does C support fractional Indices?float x = some fraction;Is float a[x] valid declaration?