X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=tabix.git;a=blobdiff_plain;f=bgzf.h;h=70f497e819442adc843f66c4023012fade6005e8;hp=f544a6791ff1dff8340212d859632d22063c55b6;hb=3be5ff47495762af7f2ebec145bc8f9c7674593d;hpb=f14cecb6523bd4275c2858c2d54167c94db25ede

diff --git a/bgzf.h b/bgzf.h
index f544a67..70f497e 100644
--- a/bgzf.h
+++ b/bgzf.h
@@ -62,6 +62,13 @@ typedef struct {
 extern "C" {
 #endif
 
+/* 
+ * Checks the magic string of the file. Returns 1
+ *  for bgzipped files, -1 on errors and 0 for files
+ *  without the bgzip magic string.
+ */
+int is_bgzipped(const char *path);
+
 /*
  * Open an existing file descriptor for reading or writing.
  * Mode must be either "r" or "w".