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| gzFile gzopen  | OF ((const char *path, const char *mode)) | 
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| gzFile gzdopen  | OF ((int fd, const char *mode)) | 
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| int gzsetparams  | OF ((gzFile file, int level, int strategy)) | 
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| int gzread  | OF ((gzFile file, voidp buf, unsigned len)) | 
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| int gzprintf  | OF ((gzFile file, const char *format,...)) | 
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| int gzputs  | OF ((gzFile file, const char *s)) | 
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| char *gzgets  | OF ((gzFile file, char *buf, int len)) | 
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| int gzputc  | OF ((gzFile file, int c)) | 
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| int gzgetc  | OF ((gzFile file)) | 
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| int gzflush  | OF ((gzFile file, int flush)) | 
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| z_off_t gzseek  | OF ((gzFile file, z_off_t offset, int whence)) | 
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| const char *gzerror  | OF ((gzFile file, int *errnum)) | 
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