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## nng_ctx_setopt
Set context option (deprecated).
### Synopsis
```c
#include <nng/nng.h>
int nng_ctx_setopt(nng_ctx ctx, const char *opt, const void *val, size_t valsz);
int nng_ctx_setopt_bool(nng_ctx ctx, const char *opt, int bval);
int nng_ctx_setopt_int(nng_ctx ctx, const char *opt, int ival);
int nng_ctx_setopt_ms(nng_ctx ctx, const char *opt, nng_duration dur);
int nng_ctx_setopt_size(nng_ctx ctx, const char *opt, size_t z);
int nng_ctx_setopt_string(nng_ctx ctx, const char *opt, const char *str);
int nng_ctx_setopt_uint64(nng_ctx ctx, const char *opt, uint64_t u64);
```
### Description
NOTE: These functions are deprecated.
They may not be present if the library was built with ((`NNG_ELIDE_DEPRECATED`)).
These deprecated functions have one-to-one modern equivalents with the same arguments and semantics, as follows:
[width=50%,]
|===
| Legacy Function | Modern Equivalent
| `nng_ctx_setopt` | `nng_ctx_set`
| `nng_ctx_setopt_bool`| `nng_ctx_set_bool`
| `nng_ctx_setopt_int`| `nng_ctx_set_int`
| `nng_ctx_setopt_ms`| `nng_ctx_set_ms`
| `nng_ctx_setopt_size`| `nng_ctx_set_size`
| `nng_ctx_setopt_string`| `nng_ctx_set_string`
| `nng_ctx_setopt_uint64`| `nng_ctx_set_uint64`
|===
Please see the documentation for the modern equivalents for more detail.
### See Also
xref:../ctx/nng_ctx_set.adoc[nng_ctx_set]
|
