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c - What does %. *s mean in printf? - Stack Overflow It's worth mentioning that the likely purpose of this code, especially when used with %s, is to print a sub-string of the original string In this use case, str would point to somewhere inside the original string (possibly at the beginning), and str_len will specify the length of the sub-string that should be printed
What does %s and %d mean in printf in the C language? %s and %d are conversion specifiers; they tell printf how to interpret the remaining arguments %s tells printf that the corresponding argument is to be treated as a string (in C terms, a 0-terminated sequence of char); the type of the corresponding argument must be char * %d tells printf that the corresponding argument is to be treated as an
. c vs . cc vs. . cpp vs . hpp vs . h vs . cxx - Stack Overflow Possible Duplicates: * h or * hpp for your class definitions What is the difference between cc and cpp file suffix? I used to think that it used to be that: h files are header files for C and C
c - What does the %*s format specifier mean? - Stack Overflow It's used to specify, in a dynamic way, what the width of the field is: The width is not specified in the format string, but as an additional integer value argument preceding the argument that has to be formatted
Why does Cs printf format string have both %c and %s? Why does C's printf format string have both %c and %s? I know that %c represents a single character and %s represents a null-terminated string of characters, but wouldn't the string representation alone be enough?
What is the meaning of %-*. *s in a printf format string? It's interesting Let's start with a simple printf("%s", "abc") It will print the string abc printf("%8s", "abc") will print abc, including 5 leading spaces: 8 is the "field width" Think of a table of data with column widths so that data in the same column is vertically aligned The data is by default right-aligned, suitable for numbers
What does `scanf (%* [^\n]%*c)` mean? - Stack Overflow %*c scans a single character, which will be the \n left over by %*[^\n] in this case The asterisk instructs scanf to discard the scanned character Both %[ and %c are format specifiers You can see what they do here The asterisks in both the specifiers tell scanf, not to store the data read by these format specifiers
string - C - The %x format specifier - Stack Overflow I do think it's an interesting question to ponder, though How would you redesign the printf syntax? I love using % as the escape character, it's so unique and niche to string formatting I think modifiers should be appended rather than prepended, though - that way you can read it left to right