
c - What does the %*s format specifier mean? - Stack Overflow
Sep 2, 2017 · The format specifier %4s outputs a String in a field width of 4—that is, printf displays the value with at least 4 character positions. If the value to be output is less than 4 character positions …
c - Correct format specifier for double in printf - Stack Overflow
20 Format %lf is a perfectly correct printf format for double, exactly as you used it. There's nothing wrong with your code. Format %lf in printf was not supported in old (pre-C99) versions of C …
Format specifier guide for C - Stack Overflow
Dec 18, 2018 · Is there a complete online guide for C format specifiers for every type of data and for all cases? I only found partial and contrasting references that doesn't explain all possible cases.
Creating C formatted strings (not printing them) - Stack Overflow
Depending on the format string, the function may expect a sequence of additional arguments, each containing a value to be used to replace a format specifier in the format string (or a pointer to a …
What's the difference between %ul and %lu C format specifiers?
May 25, 2014 · In an example of "C Primer Plus", the author has used %ul format specifier (in both scanf and printf) for unsigned long. When I try to generalize the problem, it seems that the %ul makes …
What is the purpose of the h and hh modifiers for printf?
79 Aside from %hn and %hhn (where the h or hh specifies the size of the pointed-to object), what is the point of the h and hh modifiers for printf format specifiers?
string - C - The %x format specifier - Stack Overflow
The format string attack on printf you mentioned isn't specific to the "%x" formatting - in any case where printf has more formatting parameters than passed variables, it will read values from the stack that …
c - printf () formatting for hexadecimal - Stack Overflow
Feb 6, 2013 · Why, when printing a number in hexadecimal as an 8 digit number with leading zeros, does %#08X not display the same result as 0x%08X? When I try to use the former, the 08 formatting …
c - How do you format an unsigned long long int using printf? - Stack ...
My number is 8 bytes wide and its value is 285212672l. A normal number is 0. I assume this unexpected result is from printing the unsigned long long int. How do you printf() an unsigned long long int?
c - What is the printf format specifier for bool? - Stack Overflow
78 There is no format specifier for bool. You can print it using some of the existing specifiers for printing integral types or do something more fancy: