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Passing variable number of arguments around

...t and use that va_list in your second function. Specifically; void format_string(char *fmt,va_list argptr, char *formatted_string); void debug_print(int dbg_lvl, char *fmt, ...) { char formatted_string[MAX_FMT_SIZE]; va_list argptr; va_start(argptr,fmt); format_string(fmt, argptr, forma...
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clearing a char array c

...he other hand, if you are choosing to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string. share | improve this answer | ...
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Best way to specify whitespace in a String.Split operation

I am splitting a string based on whitespace as follows: 11 Answers 11 ...
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Random String Generator Returning Same String [duplicate]

I've developed a random string generator but it's not behaving quite as I'm hoping. My goal is to be able to run this twice and generate two distinct four character random strings. However, it just generates one four character random string twice. ...
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Difference between malloc and calloc?

..., for example since the parts of hash which are empty aren't backed by any extra memory (pages); they happily point to the single zero-initialized page, which can be even shared between processes. Any write to virtual address is mapped to a page, if that page is the zero-page, another physical page...
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How do I return multiple values from a function in C?

If I have a function that produces a result int and a result string , how do I return them both from a function? 8 Answe...
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How to declare strings in C [duplicate]

... Strings in C are represented as arrays of characters. char *p = "String"; You are declaring a pointer that points to a string stored some where in your program (modifying this string is undefined behavior) according to the...
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Replace one substring for another string in shell script

... To replace the first occurrence of a pattern with a given string, use ${parameter/pattern/string}: #!/bin/bash firstString="I love Suzi and Marry" secondString="Sara" echo "${firstString/Suzi/$secondString}" # prints 'I love Sara and Marry' To replace all occurrences, use ${p...
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How to replace multiple white spaces with one white space

Let's say I have a string such as: 15 Answers 15 ...
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Convert char to int in C#

...numeric value type. Use Parse and TryParse to convert a character in a string into a Char object. Use ToString to convert a Char object to a String object. http://msdn.microsoft.com/en-us/library/system.char.aspx s...