Added help string support, minor fixes.

1 files changed, 7 insertions, 0 deletions

diff --git a/xtract/libxtract.h b/xtract/libxtract.h
index 5de0e32..627046d 100644
--- a/xtract/libxtract.h
+++ b/xtract/libxtract.h
@@ -178,6 +178,13 @@ printf("Mean = %.2f\n", mean);
 int(*xtract[XTRACT_FEATURES])(float *data, int N, void *argv, float *result);
 #endif
 
+
+/** \brief An array of pointers to function help strings
+ *
+ * Defined in libxtract.c. As a minimum this will contain pointers to the names of all of the feature extraction functions in the library. This is intended as a 'quick reference' to be queried as necessary.
+ */
+char *xtract_help_strings[XTRACT_FEATURES];
+
 /** \brief A structure to store a set of n_filters Mel filters */
 typedef struct xtract_mel_filter_ {
     int n_filters;