:orphan: # PETSC_FALSE False value of `PetscBool` ## Note Zero integer ## See Also `PetscBool`, `PetscBool3`, `PETSC_TRUE` ## Level beginner ## Location include/petscsystypes.h ## Examples src/dm/dt/dualspace/impls/lagrange/tutorials/ex1.c
src/dm/dt/dualspace/impls/lagrange/tutorials/ex2.c
src/dm/field/tutorials/ex1.c
src/dm/impls/forest/tutorials/ex1.c
src/dm/impls/plex/tutorials/ex10.c
src/dm/impls/plex/tutorials/ex11.c
src/dm/impls/plex/tutorials/ex4f90.F90
src/dm/impls/plex/tutorials/ex5.c
src/dm/impls/plex/tutorials/ex8.c
src/dm/impls/plex/tutorials/ex9.c
src/dm/impls/stag/tutorials/ex2.c
--- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscsystypes.h) [Index of all Sys routines](index.md) [Table of Contents for all manual pages](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)