GCC学习笔记

54powerman

1 设置GCC命令行使用环境变量：SET GCC_HOME=E:\MinGWSET PATH=%PATH%;GCC_HOMESET LIBRARY_PATH=%GCC_HOME%\libSET C_INCLUDE_PATH=%GCC_HOME%\includeSET CPLUS_INCLUDE_PATH=%GCC_HOME%\include\c++\3.4.2;%GCC_HOME%\include\c++\3.4.2\mingw32;%GCC_HOME%\include\c++\3.4.2\backward;%GCC_HOME%\include2 Demo.c#include int main(){  printf("%6d",10);  printf("|\n");  printf("%-6d",10);  printf("|\n");  printf("%0.6d",10);  printf("|\n");  printf("%7.6d",10);  printf("|\n");  printf("%-7.6d",10);