sprintf()函数sprintf
语法:
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?? #include <stdio.h> ?? int sprintf( char *buffer, const char *format, ... ); |
sprintf()函数和printf()类似, 只是把输出发送到buffer(缓冲区)中.返回值是写入的字符数量. 例如:
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??? char string[50]; ????int file_number = 0; ???? ????sprintf( string, "file.%d", file_number ); ????file_number++; ????output_file = fopen( string, "w" ); |