c语言中scanf()的用法!（The use of scanf () in c!）.docVIP

c语言中scanf()的用法!（The use of scanf () in c!） Scanf explain Scanf prototype: # include Int scanf (const, char, *format,...); The function scanf () is a general subroutine that reads content from the standard input stream stdin. It can read all the data of the intrinsic type and automatically convert it into an intra computer form. Scanf () is the complement function of printf (). In C99, format is decorated with restrict. The control string that format refers to consists of the following three types of characters: The format specifier whitespace non whitespace The input format specifier prefixed percent (%), scanf (read) next time tell what type of data. The format specifier list as shown in the following table: Metaprotein - - mesitylene thought thought thought of thought - - - Code, meaning offers offers Ten -- -- -- %a offers, read a floating-point value (C99 only) offers %A offers, read a floating-point value (C99 only) offers Offers%c / read single characters seen Offers%d / read decimal integer offers Offers%i / read decimal, octal, hexadecimal integer offers sixteen %e offers, read floating-point offers %E offers, read floating-point offers %f offers, read floating-point offers %F offers, read floating point (C99 only) offers %g offers, read floating-point offers %G offers, read floating-point offers Offers%o / read octal number offers %s, read the string offers offers %x offers, read sixteen hexadecimal number offers %X offers, read sixteen hexadecimal number offers Offers%p / read pointer value offers The equivalent number of characters seen so far has been read,%n offers value Offers%u / read unsigned decimal integer offers Isn%[], scanning offers a set of characters Seen / read%%% symbols (percent) offers L - - - - - - - - the spread of thought of thought thought of thought For example:%s means read string, and%d means read integer. The format string processing order is from left to right, one by one with variable format specifier variable in the table. In