Compilare: main.c: In function 'push': main.c:78:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.c:80:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' *root = temp; ^ main.c: In function 'main': main.c:33:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%[^\n]", str); ^~~~~~~~~~~~~~~~~~~~~~~~~~