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some questions about "char *field_buffer(FIELD *field, int buf, const ch

From: jinhai zhang
Subject: some questions about "char *field_buffer(FIELD *field, int buf, const char *value)"
Date: Fri, 23 Apr 2010 13:30:47 +0800
Dear,
I have some questions about the function of below

char *field_buffer(FIELD *field,int buf, const  char *value);

The return type of this function is char *,why the length of it is fixed,for many blank space at the back.

How can i remove these blank space and then assign it to other char *;

Thanks.
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