Do and see:
* Login to your linux account
* install your own:
* www.vmware.com
* Google: bsd, linux, Chinese Linux Extension
主要的:
* Makefile
* Write a C program which reads a number of words
from a file in argv[1], look for words with an initial 'A',
sort them in the alphabetic order, and prints sorted
words out at stdout.
* Explain "variable-length argument lists"
* void minprintf(char *fmt, ...)
* vastart(ap, fmt), va_end(ap), va_arg(ap, int),
va_list, <stdarg.h>
* Google it if you don't know them.
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