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-rw-r--r--libcrystfel/src/utils.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libcrystfel/src/utils.h b/libcrystfel/src/utils.h
index 8bcb51ff..7f50ddc3 100644
--- a/libcrystfel/src/utils.h
+++ b/libcrystfel/src/utils.h
@@ -233,6 +233,7 @@ extern char *safe_basename(const char *in);
extern char *safe_strdup(const char *in);
extern void strip_extension(char *bfn);
extern char *load_entire_file(const char *filename);
+extern int file_exists(const char *filename);
extern const char *filename_extension(const char *fn, const char **ext2);