How can I check whether a file exists? I want to warn the user if a requested input file is missing.
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how can write all 1to 100 prime numbers using for loop,if and break ?
What is a pointer on a pointer in c programming language?
You are given a string which contains some special characters. You also have set of special characters. You are given other string (call it as pattern string). Your job is to write a program to replace each special characters in given string by pattern string. You are not allowed to create new resulting string. You need to allocate some new memory to given existing string but constraint is you can only allocate memory one time. Allocate memory exactly what you need not more not less.
Reverse the bit order in a single macro. eg. i/p = 10010101 --> o/p = 10101001
Where local variables are stored in c?
how to display 2-D array elements in spiral
write a own function for strstr
What is variable in c with example?
What is || operator and how does it function in a program?
7. Identify the correct argument for the function call fflush() in ANSI C: A)stdout B)stdin C)stderr D)All the above
Find the highest of three numbers and print them using ascending orders?
What is the use of typedef in c?