Use a char parameter to set if num particles is variable.

2 files changed, 2 insertions, 2 deletions

diff --git a/include/tng_io.h b/include/tng_io.h
index 7ae8967..7b0cb53 100644
--- a/include/tng_io.h
+++ b/include/tng_io.h
@@ -1179,7 +1179,7 @@ tng_function_status DECLSPECDLLEXPORT tng_num_particles_get
  */
 tng_function_status DECLSPECDLLEXPORT tng_num_particles_variable_get
                 (const tng_trajectory_t tng_data,
-                 tng_variable_n_atoms_flag *variable);
+                 char *variable);
 
 /**
  * @brief Get the number of molecule types (length of tng_data->molecules).
diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c
index c0b3da9..1f13cd1 100644
--- a/src/lib/tng_io.c
+++ b/src/lib/tng_io.c
@@ -10565,7 +10565,7 @@ tng_function_status DECLSPECDLLEXPORT tng_num_particles_get
 
 tng_function_status DECLSPECDLLEXPORT tng_num_particles_variable_get
                 (const tng_trajectory_t tng_data,
-                 tng_variable_n_atoms_flag *variable)
+                 char *variable)
 {
     TNG_ASSERT(tng_data, "TNG library: Trajectory container not properly setup.");
     TNG_ASSERT(variable, "TNG library: variable must not be a NULL pointer");