|  | 
| 
 Functions | 
| qfits_header * | qfits_header_read (const char *filename) | 
|  | Read a FITS header from a file to an internal structure. 
 | 
| qfits_header * | qfits_header_read_hdr (const char *filename) | 
|  | Read a FITS header from a 'hdr' file. 
 | 
| qfits_header * | qfits_header_read_hdr_string (const unsigned char *hdr_str, int nb_char) | 
|  | Read a FITS header from a 'hdr' string. 
 | 
| qfits_header * | qfits_header_readext (const char *filename, int xtnum) | 
|  | Read an extension header from a FITS file. 
 | 
| void | qfits_zeropad (const char *filename) | 
|  | Pad an existing file with zeros to a multiple of 2880. 
 | 
| int | qfits_is_fits (const char *filename) | 
|  | Identify if a file is a FITS file. 
 | 
| int | qfits_get_hdrinfo (const char *filename, int xtnum, int *seg_start, int *seg_size) | 
|  | Retrieve offset to start and size of a header in a FITS file. 
 | 
| int | qfits_get_datinfo (const char *filename, int xtnum, int *seg_start, int *seg_size) | 
|  | Retrieve offset to start and size of a data section in a file. 
 |