parse -h and --help and print out the help message

3 files changed, 3 insertions, 0 deletions

diff --git a/src/c/multifasta_to_otu.c b/src/c/multifasta_to_otu.c
index 62d9222..e04ee12 100644
--- a/src/c/multifasta_to_otu.c
+++ b/src/c/multifasta_to_otu.c
@@ -58,6 +58,7 @@ int main(int argc, char **argv) {
       {"sensing-fasta",  required_argument, 0, 'f'},
       {"sensing-matrix", required_argument, 0, 's'},
       {"verbose", no_argument, 0, 'v'},
+      {"help", no_argument, 0, 'h'},
       {"version", no_argument, 0, 'V'},
       {0, 0, 0, 0}
     };
diff --git a/src/c/quikr.c b/src/c/quikr.c
index 942e536..8389cf4 100644
--- a/src/c/quikr.c
+++ b/src/c/quikr.c
@@ -46,6 +46,7 @@ int main(int argc, char **argv) {
       {"sensing-matrix", required_argument, 0, 's'},
       {"verbose", no_argument, 0, 'v'},
       {"version", no_argument, 0, 'V'},
+      {"help", no_argument, 0, 'h'},
       {"debug", no_argument, 0, 'd'},
       {0, 0, 0, 0}
     };
diff --git a/src/c/quikr_train.c b/src/c/quikr_train.c
index b5b111f..1cf6be9 100644
--- a/src/c/quikr_train.c
+++ b/src/c/quikr_train.c
@@ -36,6 +36,7 @@ int main(int argc, char **argv) {
   while (1) {
     static struct option long_options[] = {
       {"verbose", no_argument, 0, 'v'},
+      {"help", no_argument, 0, 'h'},
       {"version", no_argument, 0, 'V'},
       {"input", required_argument, 0, 'i'},
       {"kmer",  required_argument, 0, 'k'},