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1.½« arm-linux-gcc µÄѹËõ°ü½âѹµ½tmpĿ¼ÏÂ
2.½« tmp/usr/local Ï嵀 arm Ŀ¼copy µ½ÏµÍ³µÄ/usr/local ÏÂ
3.Ö´ÐÐÃüÁvi/etc/profile ÔÚpath murgeµÄÓï¾ä¶ÏºóÌí¼Ó
pathmurge/usr/local/arm/2.95.3/bin;
4.°´ESC¼ü£¬ÊäÈ룺wq ±£´æ²¢Í˳ö.
5.Ö´ÐÐ source /etc/profile
6.½¨Á¢¹¤×÷Ŀ¼mkdir -p/opt/FriendlyArm/mini2440;
7.½øÈëÔ´´úÂëĿ¼ hello world.
8.±àÒë #arm-linux-gcc -o hello main.c »ò #make ×îºóÉú³Éhello¿ÉÖ´ÐÐÎļþ.
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int dup( int oldfd );
int dup2( int oldfd, int targetfd )
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