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char a[] = “hello”;
char b[10];
strcpy( b, a); //²»ÄÜÓÃif( b == a)
…….
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int len = strlen(a);
char *p = (char *)malloc( sizeof(char) * ( len + 1) );
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if( strcmp( p, a ) == 0 ) // ²»ÄÜÓÃif( p == a )
…….
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