C History 1978 K&R C 1989 C89 (ANSI C) ANSI X3.159-1989, standardized 1990 C90 (ISO C) ISO/IEC 9899:1990, same as C89 1995 C95 ISO/IEC 9899/AMD1:1995, to correct some details and to add more extensive support for international character sets 1999
C History 1978 K&R C 1989 C89 (ANSI C) ANSI X3.159-1989, standardized 1990 C90 (ISO C) ISO/IEC 9899:1990, same as C89 1995 C95 ISO/IEC 9899/AMD1:1995, to correct some details and to add more extensive support for international character sets 1999
1、二进制文件：fopen, fread, fwrite
string string.substr(pos,length)
编译时用’-g’ 运行： gdb exec >r args