for_each_file_ex - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual
NAMEfor_each_file_ex − Executes callback() for each file matching a wildcard. Allegro game programming library.​
SYNOPSIS#include <allegro.h> int for_each_file_ex(const char *name, int in_attrib, int out_attrib, int (*callback)(const char *filename, int attrib, void *param), void *param);
DESCRIPTIONFinds all the files on disk which match the given wildcard specification and file attributes, and executes callback() once for each. Basically, this is a convenient wrapper around al_findfirst(), al_findnext() and al_findclose(). `in_attrib' is a bitmask specifying the attributes the files must carry, `out_attrib' is a bitmask specifying the attributes the files must not carry; attributes which are not specified in either bitmasks are not taken into account for deciding whether callback() is invoked or not. The callback function will be passed three arguments: the first is a string which contains the completed filename (exactly the same string you passed to for_each_file_ex() but with meta characters), the second is the actual attributes of the file, and the third is a void pointer which is simply a copy of `param' (you can use this for whatever you like). The callback must return zero to let the enumeration proceed, or any non-zero value to stop it. If an error occurs, the error code will be stored in `errno' but the enumeration won't stop. Example: int show_name(const char *filename, int attrib, void *param) { allegro_message("Caught `%s', attribs %d\n", filename, attrib); return 0; } ... count = for_each_file_ex("data/level*", FA_DIREC, 0, show_name, 0); allegro_message("%d game directories\n", count);
RETURN VALUEReturns the number of successful calls made to callback(), that is, the number of times callback() was called and returned 0.
SEE ALSOal_findfirst(3), al_findnext(3), al_findclose(3) 0
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ERROR : Need New Coding :         (rof_nr_x|149|for_each_file_ex.3|34|\n",| allegro_message("Caught `%s', attribs %d\\n", )         (rof_nr_x|149|for_each_file_ex.3|41|\n", count);| allegro_message("%d game directories\\n", count); )