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#include <windows.h>
char **environ;
extern char * rb_w32_getenv(const char *);
/* getenv should replace with rb_w32_getenv. */
char *getenv(const char *env)
return rb_w32_getenv(env);
char *_fullpath(char *absPath, const char *relPath,
size_t maxLength)
strcpy( absPath, relPath );
return absPath;
int mblen(const char *mbstr, size_t count)
const char *p = mbstr;
size_t i;
int n=0;
for( i=0; i<count; i++ )
if( *p=='\0' ) break;
if( IsDBCSLeadByteEx( CP_ACP, *p ) )
n+=2, p+=2;
n+=1, p+=1;
return n;
void *bsearch( const void *key, const void *base,
size_t num, size_t width,
int ( __cdecl *compare )(const void *, const void *))
size_t i;
const void* p = base;
const char* px;
for( i=0; i<num; i++ )
if( 0==compare( key, p ) )
return (void*)p;
px = (const char*)p; px+=width; p=(const void*)px;
return NULL;
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