C String Interview Questions and Answers

9. How can you tell whether two strings are the same? The standard C library provides several functions to compare two strings to see whether they are the same. One of these functions, strcmp(), is used here to show how…

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7. How can I convert a number to a string? The standard C library provides several functions for converting numbers of all formats (integers, longs, floats, and so on) to strings and vice versa. One of these functions, itoa(), is…

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5. How can I pad a string to a known length? Padding strings to a fixed length can be handy when you are printing fixed-length data such as tables or spreadsheets. You can easily perform this task using the printf()…

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3. How can I remove the leading spaces from a string? The C language does not provide a standard function that removes leading spaces from a string. It is easy, however, to build your own function to do just this.…

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1. What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used? The strcpy() function is designed to work exclusively with strings. It copies each byte of the source string to the…

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