Explain what’s a signal? Explain what do I use signals for?
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Are pointers really faster than arrays?
Some coders debug their programs by placing comment symbols on some codes instead of deleting it. How does this aid in debugging?
find the sum of two matrices and WAP for it.
1.what are local and global variables? 2.what is the scope of static variables? 3.what is the difference between static and global variables? 4.what are volatile variables? 5.what is the use of 'auto' keyword? 6.how do we make a global variable accessible across files? Explain the extern keyword? 7.what is a function prototype? 8.what does keyword 'extern' mean in a function declaration?
what is function pointer?
Difference Between embedded software and soft ware?
write a c program to accept a given integer value and print its value in words
4 Answers Vernalis, Vernalis Systems,
An arrangement of information in memory in such a way that it can be easily accessed and processed by a programming language a) string b) data structure c) pointers d) array
What is identifiers in c with examples?
What is the difference between functions abs() and fabs()?
f(x,y,z) { y = y+1; z = z+x; } main() { int a,b; a = 2 b = 2; f(a+b,a,a); print a; } what is the value of 'a' printed
stripos — Find position of first occurrence of a case- insensitive string int stripos ( char* haystack, char* needle, int offset ) Returns the numeric position of the first occurrence of needle in the haystack string. Note that the needle may be a string of one or more characters. If needle is not found, stripos() will return -1. The function should not make use of any C library function calls.
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