:orphan:
# PetscBinaryClose
Closes a PETSc binary file.
## Synopsis
```
PetscErrorCode PetscBinaryClose(int fd)
```
Not Collective
## Output Parameter
- ***fd -*** the file
## See Also
`PetscBinaryRead()`, `PetscBinaryWrite()`, `PetscBinaryOpen()`, `PetscBinarySynchronizedWrite()`, `PetscBinarySynchronizedRead()`,
`PetscBinarySynchronizedSeek()`
## Level
advanced
## Location
src/sys/fileio/sysio.c
## Examples
src/dm/tutorials/ex15.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/fileio/sysio.c)
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